#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/UniqueVector.h"
#include "llvm/Support/Allocator.h"
+#include "llvm/Support/DebugLoc.h"
namespace llvm {
class DINameSpace;
class DISubrange;
class DICompositeType;
+class DITemplateTypeParameter;
+class DITemplateValueParameter;
//===----------------------------------------------------------------------===//
/// SrcLineInfo - This class is used to record source line correspondence.
MCSymbol *getLabel() const { return Label; }
};
+/// DotDebugLocEntry - This struct describes location entries emitted in
+/// .debug_loc section.
+typedef struct DotDebugLocEntry {
+ const MCSymbol *Begin;
+ const MCSymbol *End;
+ MachineLocation Loc;
+ bool Merged;
+ DotDebugLocEntry() : Begin(0), End(0), Merged(false) {}
+ DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E, MachineLocation &L)
+ : Begin(B), End(E), Loc(L), Merged(false) {}
+ /// Empty entries are also used as a trigger to emit temp label. Such
+ /// labels are referenced is used to find debug_loc offset for a given DIE.
+ bool isEmpty() { return Begin == 0 && End == 0; }
+ bool isMerged() { return Merged; }
+ void Merge(DotDebugLocEntry *Next) {
+ if (!(Begin && Loc == Next->Loc && End == Next->Begin))
+ return;
+ Next->Begin = Begin;
+ Merged = true;
+ }
+} DotDebugLocEntry;
+
class DwarfDebug {
/// Asm - Target of Dwarf emission.
AsmPrinter *Asm;
///
std::vector<DIEAbbrev *> Abbreviations;
- /// DirectoryIdMap - Directory name to directory id map.
- ///
- StringMap<unsigned> DirectoryIdMap;
-
- /// DirectoryNames - A list of directory names.
- SmallVector<std::string, 8> DirectoryNames;
-
- /// SourceFileIdMap - Source file name to source file id map.
- ///
- StringMap<unsigned> SourceFileIdMap;
-
- /// SourceFileNames - A list of source file names.
- SmallVector<std::string, 8> SourceFileNames;
-
/// SourceIdMap - Source id map, i.e. pair of directory id and source file
/// id mapped to a unique id.
- DenseMap<std::pair<unsigned, unsigned>, unsigned> SourceIdMap;
-
- /// SourceIds - Reverse map from source id to directory id + file id pair.
- ///
- SmallVector<std::pair<unsigned, unsigned>, 8> SourceIds;
-
- /// Lines - List of source line correspondence.
- std::vector<SrcLineInfo> Lines;
+ StringMap<unsigned> SourceIdMap;
/// DIEBlocks - A list of all the DIEBlocks in use.
std::vector<DIEBlock *> DIEBlocks;
///
UniqueVector<const MCSection*> SectionMap;
- /// SectionSourceLines - Tracks line numbers per text section.
+ /// CurrentFnDbgScope - Top level scope for the current function.
///
- std::vector<std::vector<SrcLineInfo> > SectionSourceLines;
-
- // CurrentFnDbgScope - Top level scope for the current function.
- //
DbgScope *CurrentFnDbgScope;
+ /// CurrentFnArguments - List of Arguments (DbgValues) for current function.
+ SmallVector<DbgVariable *, 8> CurrentFnArguments;
+
/// DbgScopeMap - Tracks the scopes in the current function. Owns the
/// contained DbgScope*s.
///
/// not included DbgScopeMap. AbstractScopes owns its DbgScope*s.
DenseMap<const MDNode *, DbgScope *> AbstractScopes;
+ /// AbstractSPDies - Collection of abstract subprogram DIEs.
+ DenseMap<const MDNode *, DIE *> AbstractSPDies;
+
/// AbstractScopesList - Tracks abstract scopes constructed while processing
/// a function. This list is cleared during endFunction().
SmallVector<DbgScope *, 4>AbstractScopesList;
/// machine instruction.
DenseMap<const DbgVariable *, const MachineInstr *> DbgVariableToDbgInstMap;
- /// DbgVariableLabelsMap - Maps DbgVariable to corresponding MCSymbol.
- DenseMap<const DbgVariable *, const MCSymbol *> DbgVariableLabelsMap;
-
- /// DotDebugLocEntry - This struct describes location entries emitted in
- /// .debug_loc section.
- typedef struct DotDebugLocEntry {
- const MCSymbol *Begin;
- const MCSymbol *End;
- MachineLocation Loc;
- DotDebugLocEntry() : Begin(0), End(0) {}
- DotDebugLocEntry(const MCSymbol *B, const MCSymbol *E,
- MachineLocation &L) : Begin(B), End(E), Loc(L) {}
- /// Empty entries are also used as a trigger to emit temp label. Such
- /// labels are referenced is used to find debug_loc offset for a given DIE.
- bool isEmpty() { return Begin == 0 && End == 0; }
- } DotDebugLocEntry;
-
/// DotDebugLocEntries - Collection of DotDebugLocEntry.
SmallVector<DotDebugLocEntry, 4> DotDebugLocEntries;
DenseMap<DIE *, const MDNode *> ContainingTypeMap;
typedef SmallVector<DbgScope *, 2> ScopeVector;
- SmallPtrSet<const MachineInstr *, 8> InsnsBeginScopeSet;
+
SmallPtrSet<const MachineInstr *, 8> InsnsEndScopeSet;
/// InlineInfo - Keep track of inlined functions and their location. This
DenseMap<const MDNode *, SmallVector<InlineInfoLabels, 4> > InlineInfo;
SmallVector<const MDNode *, 4> InlinedSPNodes;
+ // ProcessedSPNodes - This is a collection of subprogram MDNodes that
+ // are processed to create DIEs.
+ SmallPtrSet<const MDNode *, 16> ProcessedSPNodes;
+
/// LabelsBeforeInsn - Maps instruction with label emitted before
/// instruction.
DenseMap<const MachineInstr *, MCSymbol *> LabelsBeforeInsn;
/// instruction.
DenseMap<const MachineInstr *, MCSymbol *> LabelsAfterInsn;
+ /// insnNeedsLabel - Collection of instructions that need a label to mark
+ /// a debuggging information entity.
+ SmallPtrSet<const MachineInstr *, 8> InsnNeedsLabel;
+
SmallVector<const MCSymbol *, 8> DebugRangeSymbols;
/// Previous instruction's location information. This is used to determine
MCSymbol *DwarfStrSectionSym, *TextSectionSym, *DwarfDebugRangeSectionSym;
MCSymbol *DwarfDebugLocSectionSym;
MCSymbol *FunctionBeginSym, *FunctionEndSym;
-private:
-
- /// getSourceDirectoryAndFileIds - Return the directory and file ids that
- /// maps to the source id. Source id starts at 1.
- std::pair<unsigned, unsigned>
- getSourceDirectoryAndFileIds(unsigned SId) const {
- return SourceIds[SId-1];
- }
-
- /// getNumSourceDirectories - Return the number of source directories in the
- /// debug info.
- unsigned getNumSourceDirectories() const {
- return DirectoryNames.size();
- }
-
- /// getSourceDirectoryName - Return the name of the directory corresponding
- /// to the id.
- const std::string &getSourceDirectoryName(unsigned Id) const {
- return DirectoryNames[Id - 1];
- }
- /// getSourceFileName - Return the name of the source file corresponding
- /// to the id.
- const std::string &getSourceFileName(unsigned Id) const {
- return SourceFileNames[Id - 1];
- }
+ DIEInteger *DIEIntegerOne;
+private:
/// getNumSourceIds - Return the number of unique source ids.
unsigned getNumSourceIds() const {
- return SourceIds.size();
+ return SourceIdMap.size();
}
/// assignAbbrevNumber - Define a unique number for the abbreviation.
/// addSourceLine - Add location information to specified debug information
/// entry.
- void addSourceLine(DIE *Die, const DIVariable *V);
- void addSourceLine(DIE *Die, const DIGlobalVariable *G);
- void addSourceLine(DIE *Die, const DISubprogram *SP);
- void addSourceLine(DIE *Die, const DIType *Ty);
- void addSourceLine(DIE *Die, const DINameSpace *NS);
+ void addSourceLine(DIE *Die, DIVariable V);
+ void addSourceLine(DIE *Die, DIGlobalVariable G);
+ void addSourceLine(DIE *Die, DISubprogram SP);
+ void addSourceLine(DIE *Die, DIType Ty);
+ void addSourceLine(DIE *Die, DINameSpace NS);
/// addAddress - Add an address attribute to a die based on the location
/// provided.
const MachineLocation &Location);
/// addRegisterAddress - Add register location entry in variable DIE.
- bool addRegisterAddress(DIE *Die, const MCSymbol *VS, const MachineOperand &MO);
+ bool addRegisterAddress(DIE *Die, const MachineOperand &MO);
/// addConstantValue - Add constant value entry in variable DIE.
- bool addConstantValue(DIE *Die, const MCSymbol *VS, const MachineOperand &MO);
+ bool addConstantValue(DIE *Die, const MachineOperand &MO);
+ bool addConstantValue(DIE *Die, ConstantInt *CI, bool Unsigned);
/// addConstantFPValue - Add constant value entry in variable DIE.
- bool addConstantFPValue(DIE *Die, const MCSymbol *VS, const MachineOperand &MO);
+ bool addConstantFPValue(DIE *Die, const MachineOperand &MO);
/// addComplexAddress - Start with the address based on the location provided,
/// and generate the DWARF information necessary to find the actual variable
void addBlockByrefAddress(DbgVariable *&DV, DIE *Die, unsigned Attribute,
const MachineLocation &Location);
+ /// addVariableAddress - Add DW_AT_location attribute for a DbgVariable based
+ /// on provided frame index.
+ void addVariableAddress(DbgVariable *&DV, DIE *Die, int64_t FI);
+
/// addToContextOwner - Add Die into the list of its context owner's children.
void addToContextOwner(DIE *Die, DIDescriptor Context);
/// given DIType.
DIE *getOrCreateTypeDIE(DIType Ty);
+ /// getOrCreateTemplateTypeParameterDIE - Find existing DIE or create new DIE
+ /// for the given DITemplateTypeParameter.
+ DIE *getOrCreateTemplateTypeParameterDIE(DITemplateTypeParameter TP);
+
+ /// getOrCreateTemplateValueParameterDIE - Find existing DIE or create new DIE
+ /// for the given DITemplateValueParameter.
+ DIE *getOrCreateTemplateValueParameterDIE(DITemplateValueParameter TVP);
+
void addPubTypes(DISubprogram SP);
/// constructTypeDIE - Construct basic type die from DIBasicType.
/// constructEnumTypeDIE - Construct enum type DIE from DIEnumerator.
DIE *constructEnumTypeDIE(DIEnumerator ETy);
- /// createGlobalVariableDIE - Create new DIE using GV.
- DIE *createGlobalVariableDIE(const DIGlobalVariable &GV);
-
/// createMemberDIE - Create new member DIE.
- DIE *createMemberDIE(const DIDerivedType &DT);
+ DIE *createMemberDIE(DIDerivedType DT);
/// createSubprogramDIE - Create new DIE using SP.
- DIE *createSubprogramDIE(const DISubprogram &SP, bool MakeDecl = false);
+ DIE *createSubprogramDIE(DISubprogram SP);
/// getOrCreateDbgScope - Create DbgScope for the scope.
DbgScope *getOrCreateDbgScope(const MDNode *Scope, const MDNode *InlinedAt);
///
void emitEndOfLineMatrix(unsigned SectionEnd);
- /// emitDebugLines - Emit source line information.
- ///
- void emitDebugLines();
-
/// emitCommonDebugFrame - Emit common frame info into a debug frame section.
///
void emitCommonDebugFrame();
/// GetOrCreateSourceID - Look up the source id with the given directory and
/// source file names. If none currently exists, create a new id and insert it
- /// in the SourceIds map. This can update DirectoryNames and SourceFileNames
- /// maps as well.
- unsigned GetOrCreateSourceID(StringRef DirName, StringRef FileName);
+ /// in the SourceIds map.
+ unsigned GetOrCreateSourceID(StringRef FullName);
/// constructCompileUnit - Create new CompileUnit for the given
/// metadata node with tag DW_TAG_compile_unit.
/// construct SubprogramDIE - Construct subprogram DIE.
void constructSubprogramDIE(const MDNode *N);
- // FIXME: This should go away in favor of complex addresses.
- /// Find the type the programmer originally declared the variable to be
- /// and return that type. Obsolete, use GetComplexAddrType instead.
- ///
- DIType getBlockByrefType(DIType Ty, std::string Name);
-
/// recordSourceLine - Register a source line with debug info. Returns the
/// unique label that was emitted and which provides correspondence to
/// the source line list.
MCSymbol *recordSourceLine(unsigned Line, unsigned Col, const MDNode *Scope);
- /// getSourceLineCount - Return the number of source lines in the debug
- /// info.
- unsigned getSourceLineCount() const {
- return Lines.size();
- }
-
/// recordVariableFrameIndex - Record a variable's index.
void recordVariableFrameIndex(const DbgVariable *V, int Index);
/// is found. Update FI to hold value of the index.
bool findVariableFrameIndex(const DbgVariable *V, int *FI);
- /// findVariableLabel - Find MCSymbol for the variable.
- const MCSymbol *findVariableLabel(const DbgVariable *V);
-
/// findDbgScope - Find DbgScope for the debug loc attached with an
/// instruction.
DbgScope *findDbgScope(const MachineInstr *MI);
/// and collect DbgScopes. Return true, if atleast one scope was found.
bool extractScopeInformation();
+ /// addCurrentFnArgument - If Var is an current function argument that add
+ /// it in CurrentFnArguments list.
+ bool addCurrentFnArgument(const MachineFunction *MF,
+ DbgVariable *Var, DbgScope *Scope);
+
/// collectVariableInfo - Populate DbgScope entries with variables' info.
- void collectVariableInfo(const MachineFunction *);
+ void collectVariableInfo(const MachineFunction *,
+ SmallPtrSet<const MDNode *, 16> &ProcessedVars);
/// collectVariableInfoFromMMITable - Collect variable information from
/// side table maintained by MMI.
/// getLabelAfterInsn - Return Label immediately following the instruction.
const MCSymbol *getLabelAfterInsn(const MachineInstr *MI);
- /// beginScope - Process beginning of a scope.
- void beginScope(const MachineInstr *MI);
+ /// beginInstruction - Process beginning of an instruction.
+ void beginInstruction(const MachineInstr *MI);
- /// endScope - Prcess end of a scope.
- void endScope(const MachineInstr *MI);
+ /// endInstruction - Prcess end of an instruction.
+ void endInstruction(const MachineInstr *MI);
};
} // End of namespace llvm
projects / oota-llvm.git / blobdiff